Finding the Fourth Proportional to 163,946,026.34, 245,767,703.94 and 81,993,591.08
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Solution
The fourth proportional to 163,946,026.34, 245,767,703.94 and 81,993,591.08 is: 122,914,699.84
Step by Step Solution
- Step 1: Write the proportion equation
163,946,026.34 : 245,767,703.94 = 81,993,591.08 : x - Step 2: Convert to fraction form
163,946,026.34/245,767,703.94 = 81,993,591.08/x - Step 3: Cross multiply
163,946,026.34x = 245,767,703.94 × 81,993,591.08 - Step 4: Simplify right side
163,946,026.34x = 20,151,376,617,526,864 - Step 5: Solve for x
x = 20,151,376,617,526,864/163,946,026.34 - Step 6: Final answer
x = 122,914,699.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.